问题描述
我正在尝试使用 AWS Rekognition 比较两个图像，但我不断收到此未知错误。我在这里阅读了很多文档和问题，但没有能够解决问题。 我的代码：
Float similarityThreshold = 70F;
AWSCredentials credentials = new BasicAWSCredentials(ACCESS_KEY,SECRET_KEY);
AmazonRekognition rekognitionClient = new AmazonRekognitionClient(credentials);
rekognitionClient.setRegion(Region.getRegion(Regions.US_EAST_2));
CompareFacesRequest compareFacesRequest = new CompareFacesRequest()
.withSourceImage(new Image().withS3Object(new S3Object().withName("image2.jpg").withBucket("***")))
.withTargetimage(new Image().withS3Object(new S3Object().withName("image1.jpg").withBucket("***")));
CompareFacesResult compareFacesResult = rekognitionClient.compareFaces(compareFacesRequest);
List <CompareFacesMatch> faceDetails =
compareFacesResult.getFaceMatches();
for (CompareFacesMatch match: faceDetails){
ComparedFace face= match.getFace();
BoundingBox position = face.getBoundingBox();
Log.i("compare","Face at " + position.getLeft().toString()
+ " " + position.getTop()
+ " matches with " + match.getSimilarity().toString()
+ "% confidence.");
}
List<ComparedFace> uncompared = compareFacesResult.getUnmatchedFaces();
Log.i("compare","There was " + uncompared.size()
+ " face(s) that did not match");
这是我的日志 记录点以比较人脸代码行 CompareFacesResult compareFacesResult = rekognitionClient.compareFaces(compareFacesRequest);
2021-07-18 01:39:33.988 16963-16963/... E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.*****e,PID: 16963
android.os.networkonmainthreadException
at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1513)
at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:117)
at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:105)
at java.net.InetAddress.getAllByName(InetAddress.java:1154)
at com.android.okhttp.Dns$1.lookup(Dns.java:39)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:175)
at com.android.okhttp.internal.http.RouteSelector.nextProxy(RouteSelector.java:141)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:83)
at com.android.okhttp.internal.http.StreamAllocation.findConnection(StreamAllocation.java:174)
at com.android.okhttp.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:126)
at com.android.okhttp.internal.http.StreamAllocation.newStream(StreamAllocation.java:95)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:281)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:224)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:461)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:127)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getoutputStream(HttpURLConnectionImpl.java:258)
at com.android.okhttp.internal.huc.DelegatingHttpsURLConnection.getoutputStream(DelegatingHttpsURLConnection.java:218)
at com.android.okhttp.internal.huc.HttpsURLConnectionImpl.getoutputStream(HttpsURLConnectionImpl.java:26)
at com.amazonaws.http.UrlHttpClient.writeContentToConnection(UrlHttpClient.java:162)
at com.amazonaws.http.UrlHttpClient.execute(UrlHttpClient.java:75)
at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:386)
at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:229)
at com.amazonaws.services.rekognition.AmazonRekognitionClient.invoke(AmazonRekognitionClient.java:4521)
at com.amazonaws.services.rekognition.AmazonRekognitionClient.compareFaces(AmazonRekognitionClient.java:487)
at com.****.registration_screens.SubmitPhoto.lambda$onCreate$0(SubmitPhoto.java:103)
at com.***.registration_screens.-$$Lambda$SubmitPhoto$lt0KUIz3Dr33aAQ8zZJQHwtPE-w.onClick(UnkNown Source:0)
at android.view.View.performClick(View.java:6608)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1119)
at android.view.View.performClickInternal(View.java:6585)
at android.view.View.access$3100(View.java:785)
at android.view.View$PerformClick.run(View.java:25921)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:201)
at android.app.ActivityThread.main(ActivityThread.java:6864)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)
解决方法
这似乎是与 Android 相关的错误（与 Rekognition 无关）。 Android 要求用户在主线程之外执行网络操作（在本例中，调用 Rekognition API），如下所述：